large diameter seamless steel pipes

large diameter seamless steel pipes
　ASTM A312 Seamless Steel Pipe 　　Model NO.: Seamless 　　Material: Stainless Steel 　　Usage: Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry 　　Wall Thickness: 0.6mm - 35mm 　　Trademark: Shengtian 　　Specification: 6mm - 630mm 　　Technique: Cold Rolled 　　Surface Treatment: Acid Pickle 　　Section Shape: Round 　　Process Method: Cold Rolled 　　Transport Package: Plywood Box, Woven Bags 　　Origin: China